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-rw-r--r--gcc/ada/sem_ch4.adb11
1 files changed, 10 insertions, 1 deletions
diff --git a/gcc/ada/sem_ch4.adb b/gcc/ada/sem_ch4.adb
index b63b5c8..6c81732 100644
--- a/gcc/ada/sem_ch4.adb
+++ b/gcc/ada/sem_ch4.adb
@@ -5187,7 +5187,16 @@ package body Sem_Ch4 is
and then not Is_Derived_Type (Prefix_Type)
and then Is_Entity_Name (Name);
- Comp := First_Entity (Type_To_Use);
+ -- Avoid initializing Comp if that initialization is not needed
+ -- (and, more importantly, if the call to First_Entity could fail).
+
+ if Has_Discriminants (Type_To_Use)
+ or else Is_Record_Type (Type_To_Use)
+ or else Is_Private_Type (Type_To_Use)
+ or else Is_Concurrent_Type (Type_To_Use)
+ then
+ Comp := First_Entity (Type_To_Use);
+ end if;
-- If the selector has an original discriminant, the node appears in
-- an instance. Replace the discriminant with the corresponding one